Toysmith Crystal Growing Kit die_cast then launch it using simple

then launch it using simple chemistry (baking soda + vinegar) for a safe yet thrilling STEM experience

encouraging imaginative play and sensory exploration

it showcases the conservation of momentum and energy with each swing

This oversized bat and ball set makes backyard games extra exciting and easy for kids to enjoy

Toysmith Crystal Growing Kit die_cast then launch it using simpleGrow a stunning crystal from scratch with the Toysmith Crystal Growing Box Kit! This DIY science kit includes everything kids need crystal growth formula, a base rock, growing tray, magnifying glass and easy instructions for a fun and educational experiment that creates real, colorful crystal formations.